SK hynix HMA42GR7AFR4N-TF 16GB DDR4 2133MHz CL15 ECC Registered Dual Rank 1.2V 288-Pin Server RAM
- 16GB
- 288-Pin DDR4 SDRAM
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NEMIX RAM
64 GB DDR5 ECC registered DIMM running at 4800 MHz with CL40 latency and 1.1 V operation
This 64GB DDR5 registered DIMM targets Supermicro server and workstation platforms. It delivers ECC protection and registered signalling for mission-critical environments. The single-module design suits upgrades or expansion in qualified systems. It operates at 1.1V with CL40 latency.
Registered buffering reduces electrical load on the memory controller during continuous operation. ECC corrects single-bit errors to maintain data integrity under heavy workloads. Samsung, Micron or Hynix major OEM chips provide stable supply for 24/7 deployment. The module is stress-tested under load for reliability.
The dual-rank by four configuration determines compatibility with specific Supermicro Hyper SuperServer models including SYS-121H-TNR SYS-221H-TNR and SYS-221H-TN24R. Verify the motherboard qualified-vendor list for 2Rx4 support before purchase. Other rank layouts will not function correctly in these platforms.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-924K1 |
| Capacity | 64GB |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Supermicro |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 2Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 64GB (1X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
The 1.10V operating voltage reduces power draw and heat output, helping the registered DIMM stay cooler during continuous server workloads.
Yes, the 288-pin DDR5 RDIMM requires a motherboard with registered DDR5 slots and ECC capability, such as the listed Supermicro SYS-121H-TNR or SYS-221H-TNR platforms.
The module operates at DDR5 4800 with CL40; when mixed with identical-speed DIMMs the memory controller runs all sticks at the common 4800MT/s rate and tightest shared timings.
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